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bpo-44062: Fix PYTHON_FOR_BUILD interpreter lookup for cross-compile … by vfazio · Pull Request #25951 · python/cpython · GitHub

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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Fail appropriately in cross-compile scenarios if no proper python interpreter is found in PATH.
3 changes: 1 addition & 2 deletions configure
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Original file line number Diff line number Diff line change
Expand Up @@ -2997,12 +2997,11 @@ if test "$cross_compiling" = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for python interpreter for cross build" >&5
$as_echo_n "checking for python interpreter for cross build... " >&6; }
if test -z "$PYTHON_FOR_BUILD"; then
for interp in python$PACKAGE_VERSION python3 python; do
for interp in python$PACKAGE_VERSION python3 python ''; do
which $interp >/dev/null 2>&1 || continue
if $interp -c "import sys;sys.exit(not '.'.join(str(n) for n in sys.version_info[:2]) == '$PACKAGE_VERSION')"; then
break
fi
interp=
done
if test x$interp = x; then
as_fn_error $? "python$PACKAGE_VERSION interpreter not found" "$LINENO" 5
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3 changes: 1 addition & 2 deletions configure.ac
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Original file line number Diff line number Diff line change
Expand Up @@ -71,12 +71,11 @@ AC_SUBST(PYTHON_FOR_REGEN)
if test "$cross_compiling" = yes; then
AC_MSG_CHECKING([for python interpreter for cross build])
if test -z "$PYTHON_FOR_BUILD"; then
for interp in python$PACKAGE_VERSION python3 python; do
for interp in python$PACKAGE_VERSION python3 python ''; do
which $interp >/dev/null 2>&1 || continue
if $interp -c "import sys;sys.exit(not '.'.join(str(n) for n in sys.version_info@<:@:2@:>@) == '$PACKAGE_VERSION')"; then
break
fi
interp=
done
if test x$interp = x; then
AC_MSG_ERROR([python$PACKAGE_VERSION interpreter not found])
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